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   set  data   graph     files  public NDBC Standard Meteorological Buoy Data, 1970-present    ?   F   I   M   background (external link) RSS Subscribe

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL cdm_data_type String TimeSeries
attribute NC_GLOBAL cdm_timeseries_variables String station, longitude, latitude
attribute NC_GLOBAL contributor_name String NOAA NDBC
attribute NC_GLOBAL contributor_role String Source of data.
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String at
attribute NC_GLOBAL creator_name String NOAA NMFS SWFSC ERD
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String (external link)
attribute NC_GLOBAL date_created String 2024-02-18
attribute NC_GLOBAL date_issued String 2024-02-18
attribute NC_GLOBAL Easternmost_Easting double 179.001
attribute NC_GLOBAL featureType String TimeSeries
attribute NC_GLOBAL geospatial_lat_max double 71.758
attribute NC_GLOBAL geospatial_lat_min double -55.0
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 179.001
attribute NC_GLOBAL geospatial_lon_min double -177.75
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL history String Around the 25th of each month, downloads the latest yearly and monthly historical .txt.gz files from and generates one historical .nc file for each station. also downloads all of the 45day near real time .txt files from and generates one near real time .nc file for each station.
Every 5 minutes, downloads the list of latest data from all stations for the last 2 hours from and updates the near real time .nc files.
attribute NC_GLOBAL id String cwwcNDBCMet
attribute NC_GLOBAL infoUrl String (external link)
attribute NC_GLOBAL institution String NOAA NDBC, NOAA NMFS SWFSC ERD
attribute NC_GLOBAL keywords String air, air_pressure_at_sea_level, air_temperature, atmosphere, atmospheric, average, boundary, buoy, coastwatch, data, dew point, dew_point_temperature, direction, dominant, Earth Science > Atmosphere > Air Quality > Visibility, Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height, Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements, Earth Science > Atmosphere > Atmospheric Pressure > Pressure Tendency, Earth Science > Atmosphere > Atmospheric Pressure > Sea Level Pressure, Earth Science > Atmosphere > Atmospheric Pressure > Static Pressure, Earth Science > Atmosphere > Atmospheric Temperature > Air Temperature, Earth Science > Atmosphere > Atmospheric Temperature > Dew Point Temperature, Earth Science > Atmosphere > Atmospheric Water Vapor > Dew Point Temperature, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, Earth Science > Oceans > Ocean Waves > Significant Wave Height, Earth Science > Oceans > Ocean Waves > Swells, Earth Science > Oceans > Ocean Waves > Wave Period, eastward, eastward_wind, from, gust, height, identifier, layer, level, measurements, meridional, meteorological, meteorology, name, ndbc, noaa, northward, northward_wind, ocean, oceans, period, planetary, pressure, quality, sea, sea level, sea_surface_swell_wave_period, sea_surface_swell_wave_significant_height, sea_surface_swell_wave_to_direction, sea_surface_temperature, seawater, significant, speed, sst, standard, static, station, surface, surface waves, surface_altitude, swell, swells, temperature, tendency, tendency_of_air_pressure, time, vapor, visibility, visibility_in_air, water, wave, waves, wcn, wind, wind_from_direction, wind_speed, wind_speed_of_gust, winds, zonal
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.
attribute NC_GLOBAL naming_authority String gov.noaa.pfeg.coastwatch
attribute NC_GLOBAL Northernmost_Northing double 71.758
attribute NC_GLOBAL project String NOAA NDBC and NOAA NMFS SWFSC ERD
attribute NC_GLOBAL publisher_email String at
attribute NC_GLOBAL publisher_name String NOAA NMFS SWFSC ERD
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL publisher_url String (external link)
attribute NC_GLOBAL quality String Automated QC checks with periodic manual QC
attribute NC_GLOBAL source String station observation
attribute NC_GLOBAL sourceUrl String (external link)
attribute NC_GLOBAL Southernmost_Northing double -55.0
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v70
attribute NC_GLOBAL subsetVariables String station, longitude, latitude
attribute NC_GLOBAL summary String The National Data Buoy Center (NDBC) distributes meteorological data from
moored buoys maintained by NDBC and others. Moored buoys are the weather
sentinels of the sea. They are deployed in the coastal and offshore waters
from the western Atlantic to the Pacific Ocean around Hawaii, and from the
Bering Sea to the South Pacific. NDBC's moored buoys measure and transmit
barometric pressure; wind direction, speed, and gust; air and sea
temperature; and wave energy spectra from which significant wave height,
dominant wave period, and average wave period are derived. Even the
direction of wave propagation is measured on many moored buoys. See for a description of the measurements.

The source data from NOAA NDBC has different column names, different units,
and different missing values in different files, and other problems
(notably, lots of rows with duplicate or different values for the same time
point). This dataset is a standardized, reformatted, and lightly edited
version of that source data, created by NOAA NMFS SWFSC ERD (email: at Before 2020-01-29, this dataset only had the data
that was closest to a given hour, rounded to the nearest hour. Now, this
dataset has all of the data available from NDBC with the original time
values. If there are multiple source rows for a given buoy for a given
time, only the row with the most non-NaN data values is kept. If there is
a gap in the data, a row of missing values is inserted (which causes a nice
gap when the data is graphed). Also, some impossible data values are
removed, but this data is not perfectly clean. This dataset is now updated
every 5 minutes.

This dataset has both historical data (quality controlled, before
2022-10-01T00:00:00Z) and near real time data (less quality controlled,
which may change at any time, from 2022-10-01T00:00:00Z on).
attribute NC_GLOBAL testOutOfDate String now-25minutes
attribute NC_GLOBAL time_coverage_end String 2024-05-28T09:22:00Z
attribute NC_GLOBAL time_coverage_start String 1970-02-26T20:00:00Z
attribute NC_GLOBAL title String NDBC Standard Meteorological Buoy Data, 1970-present
attribute NC_GLOBAL Westernmost_Easting double -177.75
variable station   String  
attribute station cf_role String timeseries_id
attribute station comment String The station identifier.
attribute station ioos_category String Identifier
attribute station long_name String Station Identifier
variable longitude   float  
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float -177.75, 179.001
attribute longitude axis String X
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude comment String The longitude of the station.
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable latitude   float  
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float -55.0, 71.758
attribute latitude axis String Y
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude comment String The latitude of the station.
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 4910400.0, 1.71688812E9
attribute time axis String T
attribute time ioos_category String Time
attribute time long_name String Time
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
variable wd   short  
attribute wd _FillValue short 32767
attribute wd actual_range short 0, 359
attribute wd colorBarMaximum double 360.0
attribute wd colorBarMinimum double 0.0
attribute wd comment String Wind direction (the direction the wind is coming from in degrees clockwise from true N) during the same period used for WSPD.
attribute wd ioos_category String Wind
attribute wd long_name String Wind Direction
attribute wd missing_value short 32767
attribute wd standard_name String wind_from_direction
attribute wd units String degrees_true
variable wspd   float  
attribute wspd _FillValue float -9999999.0
attribute wspd actual_range float 0.0, 96.0
attribute wspd colorBarMaximum double 15.0
attribute wspd colorBarMinimum double 0.0
attribute wspd comment String Average wind speed (m/s).
attribute wspd ioos_category String Wind
attribute wspd long_name String Wind Speed
attribute wspd missing_value float -9999999.0
attribute wspd standard_name String wind_speed
attribute wspd units String m s-1
variable gst   float  
attribute gst _FillValue float -9999999.0
attribute gst actual_range float 0.0, 75.5
attribute gst colorBarMaximum double 30.0
attribute gst colorBarMinimum double 0.0
attribute gst comment String Peak 5 or 8 second gust speed (m/s).
attribute gst ioos_category String Wind
attribute gst long_name String Wind Gust Speed
attribute gst missing_value float -9999999.0
attribute gst standard_name String wind_speed_of_gust
attribute gst units String m s-1
variable wvht   float  
attribute wvht _FillValue float -9999999.0
attribute wvht actual_range float 0.0, 92.39
attribute wvht colorBarMaximum double 10.0
attribute wvht colorBarMinimum double 0.0
attribute wvht comment String Significant wave height (meters) is calculated as the average of the highest one-third of all of the wave heights during the 20-minute sampling period.
attribute wvht ioos_category String Surface Waves
attribute wvht long_name String Wave Height
attribute wvht missing_value float -9999999.0
attribute wvht standard_name String sea_surface_wave_significant_height
attribute wvht units String m
variable dpd   float  
attribute dpd _FillValue float -9999999.0
attribute dpd actual_range float 0.0, 64.0
attribute dpd colorBarMaximum double 20.0
attribute dpd colorBarMinimum double 0.0
attribute dpd comment String Dominant wave period (seconds) is the period with the maximum wave energy.
attribute dpd ioos_category String Surface Waves
attribute dpd long_name String Wave Period, Dominant
attribute dpd missing_value float -9999999.0
attribute dpd standard_name String sea_surface_swell_wave_period
attribute dpd units String s
variable apd   float  
attribute apd _FillValue float -9999999.0
attribute apd actual_range float 0.0, 95.0
attribute apd colorBarMaximum double 20.0
attribute apd colorBarMinimum double 0.0
attribute apd comment String Average wave period (seconds) of all waves during the 20-minute period.
attribute apd ioos_category String Surface Waves
attribute apd long_name String Wave Period, Average
attribute apd missing_value float -9999999.0
attribute apd standard_name String sea_surface_swell_wave_period
attribute apd units String s
variable mwd   short  
attribute mwd _FillValue short 32767
attribute mwd actual_range short 0, 359
attribute mwd colorBarMaximum double 360.0
attribute mwd colorBarMinimum double 0.0
attribute mwd comment String Mean wave direction corresponding to energy of the dominant period (DOMPD).
attribute mwd ioos_category String Surface Waves
attribute mwd long_name String Wave Direction
attribute mwd missing_value short 32767
attribute mwd standard_name String sea_surface_wave_to_direction
attribute mwd units String degrees_true
variable bar   float  
attribute bar _FillValue float -9999999.0
attribute bar actual_range float 800.7, 1198.8
attribute bar colorBarMaximum double 1050.0
attribute bar colorBarMinimum double 950.0
attribute bar comment String Air pressure (hPa). ('PRES' on some NDBC tables.) For C-MAN sites and Great Lakes buoys, the recorded pressure is reduced to sea level using the method described in NWS Technical Procedures Bulletin 291 (11/14/80).
attribute bar ioos_category String Pressure
attribute bar long_name String Air Pressure
attribute bar missing_value float -9999999.0
attribute bar standard_name String air_pressure_at_sea_level
attribute bar units String hPa
variable atmp   float  
attribute atmp _FillValue float -9999999.0
attribute atmp actual_range float -153.4, 50.0
attribute atmp colorBarMaximum double 40.0
attribute atmp colorBarMinimum double -10.0
attribute atmp comment String Air temperature (Celsius). For sensor heights on buoys, see Hull Descriptions. For sensor heights at C-MAN stations, see C-MAN Sensor Locations.
attribute atmp ioos_category String Temperature
attribute atmp long_name String Air Temperature
attribute atmp missing_value float -9999999.0
attribute atmp standard_name String air_temperature
attribute atmp units String degree_C
variable wtmp   float  
attribute wtmp _FillValue float -9999999.0
attribute wtmp actual_range float -98.7, 50.0
attribute wtmp colorBarMaximum double 32.0
attribute wtmp colorBarMinimum double 0.0
attribute wtmp comment String Sea surface temperature (Celsius). For sensor depth, see Hull Description.
attribute wtmp ioos_category String Temperature
attribute wtmp long_name String SST
attribute wtmp missing_value float -9999999.0
attribute wtmp standard_name String sea_surface_temperature
attribute wtmp units String degree_C
variable dewp   float  
attribute dewp _FillValue float -9999999.0
attribute dewp actual_range float -99.9, 48.7
attribute dewp colorBarMaximum double 40.0
attribute dewp colorBarMinimum double 0.0
attribute dewp comment String Dewpoint temperature taken at the same height as the air temperature measurement.
attribute dewp ioos_category String Temperature
attribute dewp long_name String Dewpoint Temperature
attribute dewp missing_value float -9999999.0
attribute dewp standard_name String dew_point_temperature
attribute dewp units String degree_C
variable vis   float  
attribute vis _FillValue float -9999999.0
attribute vis actual_range float 0.0, 66.7
attribute vis colorBarMaximum double 100.0
attribute vis colorBarMinimum double 0.0
attribute vis comment String Station visibility (km, originally nautical miles in the NDBC .txt files). Note that buoy stations are limited to reports from 0 to 1.6 nmi.
attribute vis ioos_category String Meteorology
attribute vis long_name String Station Visibility
attribute vis missing_value float -9999999.0
attribute vis standard_name String visibility_in_air
attribute vis units String km
variable ptdy   float  
attribute ptdy _FillValue float -9999999.0
attribute ptdy actual_range float -14.8, 14.6
attribute ptdy colorBarMaximum double 3.0
attribute ptdy colorBarMinimum double -3.0
attribute ptdy comment String Pressure Tendency is the direction (plus or minus) and the amount of pressure change (hPa) for a three hour period ending at the time of observation.
attribute ptdy ioos_category String Pressure
attribute ptdy long_name String Pressure Tendency
attribute ptdy missing_value float -9999999.0
attribute ptdy standard_name String tendency_of_air_pressure
attribute ptdy units String hPa
variable tide   float  
attribute tide _FillValue float -9999999.0
attribute tide actual_range float -9.37, 6.13
attribute tide colorBarMaximum double 5.0
attribute tide colorBarMinimum double -5.0
attribute tide comment String The water level in meters (originally feet in the NDBC .txt files) above or below Mean Lower Low Water (MLLW).
attribute tide ioos_category String Sea Level
attribute tide long_name String Water Level
attribute tide missing_value float -9999999.0
attribute tide standard_name String surface_altitude
attribute tide units String m
variable wspu   float  
attribute wspu _FillValue float -9999999.0
attribute wspu actual_range float -98.7, 97.5
attribute wspu colorBarMaximum double 15.0
attribute wspu colorBarMinimum double -15.0
attribute wspu comment String The zonal wind speed (m/s) indicates the u component of where the wind is going, derived from Wind Direction and Wind Speed.
attribute wspu ioos_category String Wind
attribute wspu long_name String Wind Speed, Zonal
attribute wspu missing_value float -9999999.0
attribute wspu standard_name String eastward_wind
attribute wspu units String m s-1
variable wspv   float  
attribute wspv _FillValue float -9999999.0
attribute wspv actual_range float -98.7, 97.5
attribute wspv colorBarMaximum double 15.0
attribute wspv colorBarMinimum double -15.0
attribute wspv comment String The meridional wind speed (m/s) indicates the v component of where the wind is going, derived from Wind Direction and Wind Speed.
attribute wspv ioos_category String Wind
attribute wspv long_name String Wind Speed, Meridional
attribute wspv missing_value float -9999999.0
attribute wspv standard_name String northward_wind
attribute wspv units String m s-1

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.

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